Solution: Count Vowel Strings in Ranges

Statement

You are given an array of strings words and a list of range queries queries. Each query is a pair of indices [l_i, r_i] that refers to the subarray words[l_i..r_i] (inclusive).

For each query, return how many strings in the specified range both start and end with a vowel. Vowels are the lowercase letters a, e, i, o, and u.

Return an array of answers in the same order as queries.

Constraints:

• $1 \leq$ words.length ...